Georgie, if you want solid researched arguements they are readily available. Why should I bother trying to change your view. The reality is there will be great changes, some good, some bad and it will take a while for the UK and the EU to adjust to our new position in the world .
For me, as a believer in democracy and the nation state, it’s enough we are escaping the clutches of an undemocratic technocracy.